<template>
  <el-dialog title="新增员工" :visible="showDialog" @close="btnCancel">
    <!-- 表单 -->
    <el-form ref="addEmployee" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名"/>
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号"/>
      </el-form-item>
      <el-form-item label="入职时间" prop="timeofEntry">
        <el-date-picker v-model="formData.timeofEntry" style="width:50%" placeholder="请选择入职时间"/>
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option v-for="item in EmployeeEnum.hireType" :key="item.id" 
          :label="item.value" :value="item.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号"/>
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <el-input @focus="getDepartments" v-model="formData.departmentName" style="width:50%" placeholder="请输入部门"/>
        <!-- 放置一个树形组件 -->
        <el-tree
        v-loading="loading" 
        v-if="showTree" :data="treeData" 
        :props="{ label: 'name' }"
        :default-expand-all="true"
        @node-click="selectNode"/>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间"/>
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template v-slot:footer>
      <el-row type="flex" justify="center" >
        <el-col :span="6">
          <el-button size="small" @click="btnCancel">取消</el-button>
          <el-button size="small" type="primary" @click="btnOK">确定</el-button>
        </el-col>
      </el-row>
    </template>
  </el-dialog>
</template>

<script>
import { getDepartments } from '@/api/departments'
import { addEmployee } from '@/api/employees'
import { transListToTreeData } from '@/utils'
import EmployeeEnum from '@/api/constant/employees'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      EmployeeEnum,
      formData: {
        username: '',
        mobile: '',
        formOfEmployment: '',
        workNumber: '',
        departmentName: '',
        timeOfEntry: '',
        correctionTime: ''
      },
      rules: {
          username: [{ required: true, message: '用户姓名不能为空', trigger: 'blur' }, {
            min: 1, max: 4, message: '用户姓名为1-4位'
          }],
          mobile: [{ required: true, message: '手机号不能为空', trigger: 'blur' }, {
            // pattern正则表达式 如果满足就通过验证 如果不满足 不通过
            pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur'
          }],
          formOfEmployment: [{ required: true, message: '聘用形式不能为空', trigger: 'blur' }],
          workNumber: [{ required: true, message: '工号不能为空', trigger: 'blur' }],
          departmentName: [{ required: true, message: '部门不能为空', trigger: 'change' }],
          timeOfEntry: [{ required: true, message: '入职时间', trigger: 'blur' }]
      },
      treeData: [], // 定义一个数组来接收树形结构
      showTree: false, // 默认不显示树形组件
      loading: false // 加上进度条
    }
  },
  methods: {
    async getDepartments() {
      this.showTree = true
      this.loading = true
      const { depts } = await getDepartments()
      // depts是一个数组 它需要转化成树形结构才可以被 el-tree 显示
      this.treeData = transListToTreeData(depts, '')
      this.loading = false
    },
    selectNode(node) {
      this.formData.departmentName = node.name
      this.showTree = false 
    },
    async btnOK() {
      try {
        // 校验表单
        await this.$refs.addEmployee.validate()
        // 校验成功
        await addEmployee(this.formData) // 调用新增接口
        // 通知父组件 更新数据
        this.$parent.getEmployeeList && this.$parent.getEmployeeList() // 父组件的实例 直接调用父组件的更新方法
        this.$parent.showDialog = false
        // 这里不用重置数据 因为 关闭弹层触发了close事件 close事件绑定了btnCancel方法
        this.$message.success('添加成功') 
      } catch (error) {
        console.log(error)
      }
    },
    btnCancel() {
      this.formData = {
        username: '',
        mobile: '',
        formOfEmployment: '',
        workNumber: '',
        departmentName: '',
        timeOfEntry: '',
        correctionTime: ''
      },
      this.$refs.addEmployee.resetFields() // 移除之前的校验
      // this.$parent.showDialog = false
      this.$emit('update:showDialog',false)
      // update props 这么写的话可以在父组件 直接用sync修饰符
    }
  },
}
</script>

<style scoped>

</style>